/*
 * Copyright (c) 2013 Eugene Kuzmenko
 *
 * Permission  is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in  the Software without restriction, including without limitation the rights
 * to  use,  copy,  modify,  merge, publish, distribute, sublicense, and/or sell
 * copies  of  the  Software,  and  to  permit  persons  to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The  above  copyright  notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE  SOFTWARE  IS  PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED,  INCLUDING  BUT  NOT  LIMITED  TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS  FOR  A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS  OR  COPYRIGHT  HOLDERS  BE  LIABLE  FOR  ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 *
 * For more information, see <http://www.aljey.com>.
 */

//=Glyph
//=Text
//=Caret

/**
 * The abstract button.
 *
 * @author Eugene Kuzmenko <mail@aljey.com>
 * @class {AbstractButton}
 * @extends {Container}
 * @abstract
 */
Class.define('AbstractButton', {

  extend: 'Container',

  isAbstract: true,

  /**
   * The icon.
   *
   * @property {String}
   */
  icon: '',

  /**
   * The button text.
   *
   * @property {String}
   */
  text: '',

  /**
   * True to show a caret.
   *
   * @property {bool}
   */
  caret: false,

  /** @inheritDoc */
  slots: 'items',

  /**
   * Sets a button icon.
   *
   * @param {String} val
   * @see Glyph#setIcon
   * @returns {AbstractButton}
   */
  setIcon: _static.Container.setter(function (val) {
    var cmp = this.items.get(0);
    if (val) {
      cmp ? cmp.setIcon(val) : this.items.insert({type: 'Glyph', icon: val}, 0);
    } else {
      cmp && cmp.hide();
    }
  }, 'icon', 'string'),

  /**
   * Changes a button text.
   *
   * @param {String} val
   * @returns {AbstractButton}
   */
  setText: _static.Container.setter(function (val) {
    var cmp = this.items.get(1);
    cmp ? cmp.setValue(val) : this.items.insert({type: 'Text', value: val}, 1);
  }, 'text', 'string'),

  /**
   * Sets a button caret icon.
   *
   * @param {bool} caret
   * @returns {AbstractButton}
   */
  setCaret: _static.Container.setter(function (val) {
    var cmp = this.items.get(2);
    if (val) {
      cmp ? cmp.show() : this.items.insert({type: 'Caret'}, 2);
    } else {
      cmp && cmp.hide();
    }
  }, 'caret', 'bool'),

  listeners: {
    beforeRender: function () {
      var icon = this.icon, text = this.text, caret = this.caret;
      this.icon = '';
      this.text = '';
      this.caret = false;
      this.setIcon(icon);
      text && this.setText(text);
      this.setCaret(caret);
    }
  }

});